The Cutler‑Hammer CSR2125N is a heavy‑duty 125‑amp, 2‑pole thermal magnetic molded case circuit breaker designed for reliable overcurrent and short‑circuit protection. Rated for 120/240 VAC with a 25 kA interrupt capacity, this breaker is built for demanding residential, commercial, and light‑industrial applications.

Its plug‑in CSR frame design allows fast installation and secure connection, while the thermal magnetic trip unit provides consistent performance under both overload and fault conditions.

Key Features

• 125A, 2‑pole molded case breaker

• Thermal magnetic trip unit for overload and short‑circuit protection

• 120/240 VAC rated

• 25 kA interrupt rating for high‑demand applications

• Plug‑in CSR frame for quick installation

• Durable Cutler‑Hammer construction

• Suitable for residential, commercial, and industrial panels

Specifications

• Model: CSR2125N

• Amperage: 125A

• Poles: 2

• Voltage: 120/240 VAC

• Interrupt Rating: 25 kA

• Trip Type: Thermal Magnetic

• Mounting Style: Plug‑In (CSR Frame)

Common Uses

• Main or subpanel breaker

• HVAC and high‑load equipment

• Commercial power distribution

• Backup power and generator integration

Barcode: 00782114019733